Gas Assist Brochure - BAUER Compressors

SERVICETRAININGWORLDWIDEENERGY IN RESERVEWhen an application requires storage,either in the form of a single cylinderor multiple cylinders, arranged eitherfor bulk or in banks for cascading, aproperly sized storage system offersmany benefits to the compressedair/gas system. The main purpose ofstorage is to serve as a reservoir tohandle constant, sudden or unusuallyhigh demands for air/gas that canexceed the capacity of the compressor.Storage protects the compressor fromthe direct demand of the system aswell as serving to dampen or eliminatepressure pulsations to the system.Each high pressure application must becarefully reviewed to determine thebest type and size of storage to use.The cost of equipment as well as operationaland maintenance costs can bereduced by properly matching thecompressor to the storage system.BAUER recommends that the compressordoes not start more than 4 timesper hour to avoid short-cycling of thecompressor. Short-cycling can be detrimentalto the compressor, motor,compressor control system and to thehigh pressure system. Our StorageBrochure will serve as a guide toselecting the best storage system solutionfor your application.The volume of storage required for aspecific application depends upon:A. Consumption rate of the systemB. Capacity of the compressor/boosterC. Deadband of the final pressure sensorSTORAGE SIZINGBulk storage for limiting the number ofcompressor starts to 4 times per hourcan be calculated by the following formula:VR = 58 x (QC / Δ P)Where:- VR = Volume of storage, cubic feetwater volume- QC = Capacity of compressor,standard cubic feet per minute (scfm)- ΔP= Approximate deadband of finalpressure sensor, pounds per squareinch differential (psid).Multiple cylinders and banks can beused for applications that require alarge volume of storage. ContactBAUER for sizing storage with multiplebanks for cascading.TECHNICAL DATABAUER is knowledgeable in the applicationof storage to medium and highpressure applications. We offer cylindersfor storage to meet the coderequirements of either the AmericanSociety of Mechanical Engineers(ASME) or the United Nations (UN)Model Regulations (ISO 9809-PART 2).Refer to the Storage brochure for technicaldata when storing inert gases.The table provides a summarization oftechnical data for cylinders offered byBAUER when storing air.SYSTEMAll UN cylinders are shipped with aprotective cap for the cylinder valve.Valve caps are shipped installed onloose cylinders and shipped loose withracked assemblies. The mandatoryretest period for these UN cylinders isevery ten (10) years. Under no circumstancesare these cylinders to be filledto a pressure exceeding the markedservice pressure at 70 ºF.Model Weight *lbs kgUN 4500 455 206UN 5000 475 215UN 6000 525 238ASME 935 424*2-cylinder rack with bottles.CUSTOM PACKAGES UN/ISO ASME15